[opendtv] Re: Twang's Tuesday Tribune (Mark's Monday Memo)
- From: "Kon Wilms" <kon@xxxxxxxxxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Tue, 4 May 2004 20:58:20 -0700
>I just want to point out that there out to be 16 million or so unique
values for the 3 byte field (allowing even for the possibility that some
of the possible values are illegal). So are all the manufacturers
releasing 16 million network cards?
Methinks they are just doing a bad job in the manufacturing process. One
example:
http://support.intel.com/support/motherboards/server/STL2/sb/CS-007538.htm
As for datacast boards, I can think off the top of my head of one
manufacturer (no longer with us, RIP) that created all boards with the same
MAC address. 'But we let you change it in the registry' was the excuse.
The original topic of this thread was re utilizing the MAC address for
unique, non-modifiable identification of end receivers to deliver content
to. I think we can conclude that for all intent purposes this fails to meet
both criteria, and users can compromise the system by simply changing their
own MAC address. So it is in effect rendered useless.
Cheers
Kon
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